<!--
function apri_finestra(larghezza, altezza, link) {

	var winl = (screen.width - larghezza) / 2;
	var wint = (screen.height - altezza) / 2;
	myWin = window.open(link, 'myWin', 'width='+larghezza+',height='+altezza+',left='+winl+', top='+wint+', scrollbars=no');

}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

// Check that the number of characters in a string is between a max and a min
function isValidLength(string, min, max) {
        if (string.length < min || string.length > max) return false;
        else return true;
}

// Check that an email address is valid based on RFC 821 (?)
function isValidEmail(address) {
        if (address.indexOf('@') < 3) return false;
        var name = address.substring(0, address.indexOf('@'));
        var domain = address.substring(address.indexOf('@') + 1);
        if (name.indexOf('(') != -1 || name.indexOf(')') != -1 || name.indexOf('<') != -1 || name.indexOf('>') != -1 || name.indexOf(',') != -1 || name.indexOf(';') != -1 || name.indexOf(':') != -1 || name.indexOf('\\') != -1 || name.indexOf('"') != -1 || name.indexOf('[') != -1 || name.indexOf(']') != -1 || name.indexOf(' ') != -1) return false;
        if (domain.indexOf('(') != -1 || domain.indexOf(')') != -1 || domain.indexOf('<') != -1 || domain.indexOf('>') != -1 || domain.indexOf(',') != -1 || domain.indexOf(';') != -1 || domain.indexOf(':') != -1 || domain.indexOf('\\') != -1 || domain.indexOf('"') != -1 || domain.indexOf('[') != -1 || domain.indexOf(']') != -1 || domain.indexOf(' ') != -1) return false;
        return true;
}
// CHeck for spaces
function isValidFilename(s) {
	filename = basename( s ) ;
	return ( filename.indexOf( ' ' ) <= -1 ) ;
} 
function basename(path, suffix) {
    var b = path.replace(/^.*[\/\\]/g, '');
    if (typeof(suffix) == 'string' && b.substr(b.length-suffix.length) == suffix) {
        b = b.substr(0, b.length-suffix.length);
    }
    return b;
}

// Check that a US zip code is valid
function isValidZipcode(zipcode) {
        zipcode = removeSpaces(zipcode);
        if (!(zipcode.length == 5) || !isNumeric(zipcode)) return false;
        return true;
}


// Check that a Canadian postal code is valid
function isValidPostalcode(postalcode) {
        if (postalcode.search) {
                postalcode = removeSpaces(postalcode);
                if (postalcode.length == 6 && postalcode.search(/^\w\d\w\d\w\d$/) != -1) return true;
                else if (postalcode.length == 7 && postalcode.search(/^\w\d\w\-d\w\d$/) != -1) return true;
                else return false;
        }
        return true;
}

// Check that a string contains only letters and numbers
function isAlphanumeric(string, ignoreWhiteSpace) {
        if (string.search) {
                if ((ignoreWhiteSpace && string.search(/[^\w\s]/) != -1) || (!ignoreWhiteSpace && string.search(/\W/) != -1)) return false;
        }
        return true;
}

// Check that a string contains only letters
function isAlphabetic(string, ignoreWhiteSpace) {
        if (string.search) {
                if ((ignoreWhiteSpace && string.search(/[^a-zA-Z\s]/) != -1) || (!ignoreWhiteSpace && string.search(/[^a-zA-Z]/) != -1)) return false;
        }
        return true;
}

// Check that a string contains only numbers
function isNumeric(string, ignoreWhiteSpace) {
        if (string.search) {
                if ((ignoreWhiteSpace && string.search(/[^\d\s]/) != -1) || (!ignoreWhiteSpace && string.search(/\D/) != -1)) return false;
        }
        return true;
}

// Remove characters that might cause security problems from a string
function removeBadCharacters(string) {
        if (string.replace) {
                string.replace(/[<>\"\'%;\)\(&\+]/, '');
        }
        return string;
}

// Remove all spaces from a string
function removeSpaces(string) {
        var newString = '';
        for (var i = 0; i < string.length; i++) {
                if (string.charAt(i) != ' ') newString += string.charAt(i);
        }
        return newString;
}

// Remove leading and trailing whitespace from a string
function trimWhitespace(string) {
        var newString  = '';
        var substring  = '';
        beginningFound = false;

        // copy characters over to a new string
        // retain whitespace characters if they are between other characters
        for (var i = 0; i < string.length; i++) {

                // copy non-whitespace characters
                if (string.charAt(i) != ' ' && string.charCodeAt(i) != 9) {

                        // if the temporary string contains some whitespace characters, copy them first
                        if (substring != '') {
                                newString += substring;
                                substring = '';
                        }
                        newString += string.charAt(i);
                        if (beginningFound == false) beginningFound = true;
                }

                // hold whitespace characters in a temporary string if they follow a non-whitespace character
                else if (beginningFound == true) substring += string.charAt(i);
        }
        return newString;
}

// Returns a checksum digit for a number using mod 10
function getMod10(number) {

        // convert number to a string and check that it contains only digits
        // return -1 for illegal input
        number = '' + number;
        number = removeSpaces(number);
        if (!isNumeric(number)) return -1;

        // calculate checksum using mod10
        var checksum = 0;
        for (var i = number.length - 1; i >= 0; i--) {
                var isOdd = ((number.length - i) % 2 != 0) ? true : false;
                digit = number.charAt(i);

                if (isOdd) checksum += parseInt(digit);
                else {
                        var evenDigit = parseInt(digit) * 2;
                        if (evenDigit >= 10) checksum += 1 + (evenDigit - 10);
                        else checksum += evenDigit;
                }
        }
        return (checksum % 10);
}

function checkFormNotifica(form) {
  var errors = '';
  var numErrors = 0;


  if (!isValidLength(form.descrizione.value, 3, 500)) {
         errors += 'Manca il testo della mail.\n';
         numErrors++;
  }

  if (numErrors) {
         errors = 'Attenzione: si ' + ((numErrors > 1) ? 'sono' : 'è') + ' verificat' + ((numErrors > 1) ? 'i' : 'o') + ' i' + ((numErrors > 1) ? '' : 'l') + ' seguent' + ((numErrors > 1) ? 'i' : 'e') + ' problem' + ((numErrors > 1) ? 'i' : 'a') + ':\n\n' + errors + '\n';
         alert(errors);
         return false;
  }
  return true;
}

function checkFormCartella(form) {
  var errors = '';
  var numErrors = 0;


  if (!isValidLength(form.nome_directory.value, 3, 60)) {
         errors += 'Il nome della cartella deve avere da 3 a 60 caratteri.\n';
         numErrors++;
  }

  if (numErrors) {
         errors = 'Attenzione: si ' + ((numErrors > 1) ? 'sono' : 'è') + ' verificat' + ((numErrors > 1) ? 'i' : 'o') + ' i' + ((numErrors > 1) ? '' : 'l') + ' seguent' + ((numErrors > 1) ? 'i' : 'e') + ' problem' + ((numErrors > 1) ? 'i' : 'a') + ':\n\n' + errors + '\n';
         alert(errors);
         return false;
  }
  return true;
}

function checkFormFile(form) {
  var errors = '';
  var numErrors = 0;


  if (!isValidLength(form.userfile.value, 3, 300)) {
         errors += 'Non è stato inserito nessun File.\n';
         numErrors++;
  }

  if (!isValidFilename(form.userfile.value)) {
         errors += 'Il nome del file non deve contenere spazi.\n';
         numErrors++;
  }

  if (numErrors) {
         errors = 'Attenzione, si ' + ((numErrors > 1) ? 'sono' : 'è') + ' verificat' + ((numErrors > 1) ? 'i' : 'o') + ' i' + ((numErrors > 1) ? '' : 'l') + ' seguent' + ((numErrors > 1) ? 'i' : 'e') + ' problem' + ((numErrors > 1) ? 'i' : 'a') + ':\n\n' + errors + '\n';
         alert(errors);
         return false;
  }
  return true;
}

function checkFormRinomina(form) {
  var errors = '';
  var numErrors = 0;


  if (!isValidLength(form.nuovo_nome_file.value, 3, 30)) {
         errors += 'Non è stato inserito nessun nome file.\n';
         numErrors++;
  }

  if (numErrors) {
         errors = 'Attenzione: si ' + ((numErrors > 1) ? 'sono' : 'è') + ' verificat' + ((numErrors > 1) ? 'i' : 'o') + ' i' + ((numErrors > 1) ? '' : 'l') + ' seguent' + ((numErrors > 1) ? 'i' : 'e') + ' problem' + ((numErrors > 1) ? 'i' : 'a') + ':\n\n' + errors + '\n';
         alert(errors);
         return false;
  }
  return true;
}

function setPointer(theCel, thePointerColor)
{
if (thePointerColor == '' || typeof(theCel.style) == 'undefined') {
return false;
}
theCel.style.backgroundColor = thePointerColor;
return true;
}

status_text();
function status_text()
{window.status="Area Download";
setTimeout("status_text()",1);}
var isNS = (navigator.appName == "Netscape") ? 1 : 0;
var EnableRightClick = 0;
if(isNS)
document.captureEvents(Event.MOUSEDOWN||Event.MOUSEUP);
function mischandler(){
if(EnableRightClick==1){ return true; }
else {return false; }
}
function mousehandler(e){
if(EnableRightClick==1){ return true; }
var myevent = (isNS) ? e : event;
var eventbutton = (isNS) ? myevent.which : myevent.button;
if((eventbutton==2)||(eventbutton==3)) return false;
}
function keyhandler(e) {
var myevent = (isNS) ? e : window.event;
if (myevent.keyCode==96)
EnableRightClick = 1;
return;
}

function conferma( messaggio, url) {

	var agree = confirm( messaggio);
	
	if ( agree ) {
		location.href=url;
	}

}

function altf4key() { if (event.keyCode == 18 || event.keyCode == 115) alert("Sorry, this key is disabled!"); }
function ctrlkey() { if (event.keyCode == 17) alert("Sorry, this key is disabled!"); }
function delkey() { if (event.keyCode == 46) alert("Sorry, this key is disabled!"); }

document.oncontextmenu = mischandler;
document.onkeypress = keyhandler;
document.onmousedown = mousehandler;
document.onmouseup = mousehandler;


//-->